User's Guide _______________________________________________________________________
70 ___________________________________________________________________ M211659EN-C
Repair Maintenance
If you cannot restore the measurement accuracy of the transmitter by
calibration and adjustment, you can replace the measurement modules
inside the transmitter. Measurement modules are the small component
boards that are connected to the main transmitter component board. See
Figure 4 on page 17.
NOTE
User calibration settings (adjustment by trimmers or service port) are
stored in the module. If you replace the module, you do not need to undo
the previously applied correction.
Replacing the GM10 Module
To replace the module:
1. Disconnect the transmitter body from the mounting base.
2. Locate the GM10 module on the transmitter. The module is a
separate component board with a golden cuvette that contains the
CARBOCAP
®
sensor. The module is connected to the main
transmitter board with a connector, and held in place by a plastic
clip on the other side. See Figure 4 on page 17.
3. Disconnect the module by carefully lifting the module from the
connector side. See Figure 28 below.
1311-137
Figure 28 Disconnecting the GM10 Module
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